Trunk Open Warning Switches

Replacement Parts > Electrical, Lighting and Body > Switches

Trunk Open Warning Switches

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What is a Trunk Open Warning Switch?

A Trunk Open Warning Switch is a small, electrical switch that is part of the trunk latch assembly that informs the vehicle's computer when the trunk is opened.

What is the purpose of a Trunk Open Warning Switch?

The purpose of a Trunk Open Warning Switch is to prevent the vehicle's computer from activating the trunk latch when the trunk is already open.

How can I tell if my Trunk Open Warning Switch is faulty?

If your Trunk Open Warning Switch is faulty, you may notice that the trunk does not open or close properly. Additionally, you may notice that the trunk light does not come on when you open the trunk.

Can a faulty Trunk Open Warning Switch cause damage?

Yes, a faulty Trunk Open Warning Switch can cause damage to the trunk latch assembly. If a Trunk Open Warning Switch is not functioning correctly, it can cause the trunk latch assembly to be stuck in the open or closed position.

How do I replace a Trunk Open Warning Switch?

To replace a Trunk Open Warning Switch, follow these steps:

  1. Disconnect the negative battery cable.
  2. Remove the trim panel from inside the trunk.
  3. Unplug the connector from the Trunk Open Warning Switch.
  4. Remove the old Switch.
  5. Install the new Switch.
  6. Reconnect the connector to the new Switch.
  7. Reinstall the trim panel.
  8. Reconnect the negative battery cable.


How often should I inspect my Trunk Open Warning Switch?

You should inspect your Trunk Open Warning Switch at least once a year. If you notice any signs of wear or damage, you should replace the switch immediately.